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Apache Camel Vulnerability Allows Remote Code Execution

A remote, anonymous attacker can exploit a vulnerability in Apache Camel to execute arbitrary program code with the privileges of the service.

A vulnerability in Apache Camel allows a remote, unauthenticated attacker to execute arbitrary code with the privileges of the service. This vulnerability, reported by the German BSI, poses a significant risk to systems running affected versions of Apache Camel, specifically the Camel-Coap component. Successful exploitation could lead to complete system compromise, data theft, or denial of service. Defenders should prioritize patching and implementing detection measures to mitigate this risk. The specific version numbers affected are not detailed in this brief.

Attack Chain

  1. The attacker identifies a vulnerable Apache Camel instance running the Camel-Coap component.
  2. The attacker sends a specially crafted request to the vulnerable Camel-Coap endpoint.
  3. The vulnerable endpoint processes the malicious request without proper sanitization.
  4. The lack of input validation allows the attacker to inject arbitrary code into the system.
  5. The injected code is executed with the privileges of the Apache Camel service.
  6. The attacker gains control of the system, potentially installing malware or exfiltrating sensitive data.
  7. The attacker uses the compromised system to further compromise other systems on the network.

Impact

Successful exploitation of this vulnerability allows a remote, unauthenticated attacker to execute arbitrary code on the target system. This could lead to complete system compromise, data theft, or denial of service. Given the widespread use of Apache Camel in enterprise environments, a successful attack could have significant consequences, potentially affecting numerous organizations.

Recommendation

  • Apply the latest security patches for Apache Camel, specifically addressing the vulnerability in the Camel-Coap component.
  • Monitor network traffic for suspicious requests targeting Apache Camel instances using the Sigma rule provided to detect exploitation attempts.
  • Implement strict input validation and sanitization measures to prevent code injection attacks.
  • Review and harden the security configuration of Apache Camel instances to minimize the attack surface.

Detection coverage 2

Detect Suspicious Apache Camel Request

high

Detects suspicious requests to Apache Camel instances that may indicate an exploitation attempt.

sigma tactics: execution techniques: T1219 sources: webserver

Detect Apache Camel Process Spawning Suspicious Child Process

critical

Detects Apache Camel processes spawning suspicious child processes, which could indicate successful exploitation.

sigma tactics: execution techniques: T1059.004 sources: process_creation, linux

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